Example #1
0
        public DialogResult ShowDialog()
        {
            var bi = new BROWSEINFO
            {
                pszDisplayName = IntPtr.Zero,
                lpfn           = IntPtr.Zero,
                lParam         = IntPtr.Zero,
                lpszTitle      = "Select Folder"
            };
            IntPtr idListPtr = IntPtr.Zero;
            IntPtr pszPath   = IntPtr.Zero;

            try
            {
                if (m_strTitle.Length != 0)
                {
                    bi.lpszTitle = m_strTitle;
                }
                bi.ulFlags        = (int)m_Flags;
                bi.pszDisplayName = Marshal.AllocHGlobal(256);
                // Call SHBrowseForFolder
                idListPtr = Win32SDK.SHBrowseForFolder(bi);
                // Check if the user cancelled out of the dialog or not.
                if (idListPtr == IntPtr.Zero)
                {
                    return(DialogResult.Cancel);
                }

                // Allocate ncessary memory buffer to receive the folder path.
                pszPath = Marshal.AllocHGlobal(256);
                // Call SHGetPathFromIDList to get folder path.
                bool bRet = Win32SDK.SHGetPathFromIDList(idListPtr, pszPath);
                // Convert the returned native poiner to string.
                m_strDirectoryPath = Marshal.PtrToStringAuto(pszPath);
                m_strDisplayName   = Marshal.PtrToStringAuto(bi.pszDisplayName);
            }
            catch (Exception ex)
            {
                Trace.WriteLine(ex.Message);
                return(DialogResult.Abort);
            }
            finally
            {
                // Free the memory allocated by shell.
                if (idListPtr != IntPtr.Zero)
                {
                    Marshal.FreeHGlobal(idListPtr);
                }
                if (pszPath != IntPtr.Zero)
                {
                    Marshal.FreeHGlobal(pszPath);
                }
                if (bi != null)
                {
                    Marshal.FreeHGlobal(bi.pszDisplayName);
                }
            }
            return(DialogResult.OK);
        }
Example #2
0
		public DialogResult ShowDialog()
		{
			var bi = new BROWSEINFO
			             {
			                 pszDisplayName = IntPtr.Zero,
			                 lpfn = IntPtr.Zero,
			                 lParam = IntPtr.Zero,
			                 lpszTitle = "Select Folder"
			             };
		    IntPtr idListPtr = IntPtr.Zero;
			IntPtr pszPath = IntPtr.Zero;
			try
			{
				if (m_strTitle.Length != 0)
				{
					bi.lpszTitle = m_strTitle;
				}
				bi.ulFlags = (int)m_Flags;
				bi.pszDisplayName = Marshal.AllocHGlobal(256);
				// Call SHBrowseForFolder
				idListPtr = Win32SDK.SHBrowseForFolder(bi);
				// Check if the user cancelled out of the dialog or not.
				if (idListPtr == IntPtr.Zero)
				{
					return DialogResult.Cancel;
				}

				// Allocate ncessary memory buffer to receive the folder path.
				pszPath = Marshal.AllocHGlobal(256);
				// Call SHGetPathFromIDList to get folder path.
				bool bRet = Win32SDK.SHGetPathFromIDList(idListPtr, pszPath);
				// Convert the returned native poiner to string.
				m_strDirectoryPath = Marshal.PtrToStringAuto(pszPath);
				m_strDisplayName = Marshal.PtrToStringAuto(bi.pszDisplayName);
			}
			catch (Exception ex)
			{
				Trace.WriteLine(ex.Message);
				return DialogResult.Abort;
			}
			finally
			{
				// Free the memory allocated by shell.
				if (idListPtr != IntPtr.Zero)
				{
					Marshal.FreeHGlobal(idListPtr);
				}
				if (pszPath != IntPtr.Zero)
				{
					Marshal.FreeHGlobal(pszPath);
				}
				if (bi != null)
				{
					Marshal.FreeHGlobal(bi.pszDisplayName);
				}
			}
			return DialogResult.OK;
		}
Example #3
0
 public static extern IntPtr SHBrowseForFolder(BROWSEINFO bi);
Example #4
0
		public static extern IntPtr SHBrowseForFolder(BROWSEINFO bi);